13148997 has 16 divisors (see below), whose sum is σ = 17952000. Its totient is φ = 8558784.

The previous prime is 13148963. The next prime is 13148999. The reversal of 13148997 is 79984131.

It is a happy number.

It is not a de Polignac number, because 13148997 - 2⁷ = 13148869 is a prime.

It is a super-2 number, since 2×13148997² = 345792244212018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13148999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25579 + ... + 26087.

It is an arithmetic number, because the mean of its divisors is an integer number (1122000).

Almost surely, 2^13148997 is an apocalyptic number.

It is an amenable number.

13148997 is a deficient number, since it is larger than the sum of its proper divisors (4803003).

13148997 is a wasteful number, since it uses less digits than its factorization.

13148997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700.

The product of its digits is 54432, while the sum is 42.

The square root of 13148997 is about 3626.1545747527. The cubic root of 13148997 is about 236.0283708591.

The spelling of 13148997 in words is "thirteen million, one hundred forty-eight thousand, nine hundred ninety-seven".